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6 QUICK GUIDE OVERVIEW
6.1 front Panel overview
The amplifier's front panel presents the performance
and fault condition indicators, power and remote
switches ,and a removable dust-filter cover. Four
level potentiometers located behind the cover
provide individual attenuation for the four amplifier
channels. Range is 0 dB to - infinity. The 12 o'clock
position indicates -10 dB attenuation.
To remove the dust-filter cover, loosen the
thumbscrew at the far left. This allows removal of
the dust filters for cleaning, and provides access to
channel attenuation. The front cover may be made
"tamper resistant" by replacing the thumbscrew
with Philips head or safety Torx screw. Thread size
is M3.
6.1.1 Power on/off and remote switch
The Power on/off switch is located on the right side.
A second switch, labeled "REMOTE," is above the
Power switch. When the Remote switch is on, the
yellow LED above it will illuminate indicating that
external power on/off commands from the NomadLink
network connection will switch the amplifier on or
off. When Remote is activated the amplifier will not
switch on until a "Power On" command is received
from the network. When the remote switch is off,
it is not possible to switch amplifier power on or off
using NomadLink network control.
6.1. front panel LEd's
The front panel LED area includes the following
indicators per channel:
10 Q Series Operation Manual
All material © 2007. Martin Audio Ltd. Subject to change without notice.
When no VPL, CPL or PAL indicators are
illuminated, the amplifier channel is able to
deliver maximum rated output power.
Common LED's on the front panel:
Power on (Green)
Power Average Limiter active (PAL) (Red)
PAL
Option active (Yellow)
NomadLink network active (Blue).
When the network is connected, the blue
NomadLink LED will illuminate even when
mains power is not connected. NomadLink
receives phantom power from the network
supplied by the NLB 60E.
Temperature warning (Yellow flashing)
Temperature mute (Yellow constant)
Very High Frequency protection active
(output muted) (Yellow)
Mute channel via NomadLink network
(2x Yellow)
Current Peak Limiter (CPL) active (Orange
flashing),
CPL constant (output muted): Lo
impedance / Short circuit detection
Fault (Yellow plus Orange)
Voltage Peak Limiter (VPL) active, VPL/Clip
(Red)
-4 dB signal level (Green)
-10 dB signal level (Green)
-40 dB signal level (Green),
Hi-Imp open load detected (Red)
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